Javier Caballero (cello), born in Puerto Rico, is currently post-graduate student of Rhonda Rider at the Boston Conservatory and a member of the Balmus Ensemble, Tami Machnai Ensemble, and the Tim Janis Ensemble. He holds a Bachelor’s degree both in Music Performance and Music Education from the University of South Florida where he studied with Scott Kluksdahl and a Master's degree from the Boston Conservatory. He has participated in the Apple Hill Chamber Music Festival in New Hampshire and the Festival for Symphonic Youth Orchestras of the Americas in Puerto Rico.

Prior to coming to Boston, he was also the principal cellist of Tampa’s Mostly Pops Orchestra and was a chamber soloist with Florida Pro Musica, an early music ensemble. A frequent freelancer in the Boston area, he has worked with the Fiddlehead Theatre Company, Longwood Players, Reagle Players, Boston Lyric Stage Company, and the Concord Players.